Experimental investigation of the flame retardant and form-stable composite phase change materials for a power battery thermal management system

被引：12

作者：

Zhang J. ^{[1
,2
]}

Li X. ^{[1
]}

Zhang G. ^{[1
]}

Wu H. ^{[2
]}

Rao Z. ^{[3
]}

Guo J. ^{[4
]}

Zhou D. ^{[1
]}

机构：

[1] School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510006, Guangdong

[2] School of Physics, Engineering and Computer Science, University of Hertfordshire, Hatfield

[3] School of Electric Power Engineering, China University of Mining and Technology, Xuzhou

[4] School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, Guangdong

来源：

Journal of Power Sources | 2020年 / 480卷

基金：

中国国家自然科学基金;

关键词：

Ammonium polyphosphate and red phosphorus; Battery thermal management system; Composite phase change materials; Flame retardant performance; Thermal properties;

D O I：

10.1016/j.jpowsour.2020.229116

中图分类号：

学科分类号：

摘要：

An efficient battery thermal management system (BTMS) will undoubtedly promote the performance and lifespan of battery packs. In this study, a novel flame-retarded composite PCMs composed by paraffin (PA), expanded graphite (EG), ammonium polyphosphate (APP), red phosphorus (RP) and epoxy resin (ER) has been proposed for battery module. The thermophysical and flame retardant properties are investigated at both macro and micro levels. The results show that the proposed composite PCMs with an APP/RP ratio of 23/10 exhibit the optimum flame retardant performance. Besides, the APP/RP-based composite PCMs for 18,650 ternary battery module has also been researched comparing with air cooled and PCM with pure PA modes. The experimental results indicated that the fire retardant PCMs shown significant cooling and temperature balancing advantages for battery module, leading to a 44.7% and 30.1% reduction rate of the peak temperature and the maintenance of the maximum temperature difference within 1.36 °C at a 3 C discharge rate for 25 °C. Even at 45 °C, the temperature uniformity can still be controlled within 5 °C. Thus, this research indicates the composite PCM had good flame retardant and form stable properties, it would be utilized in BTMS, energy storage and other fields. © 2020 Elsevier B.V.

引用

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